NNTR120X290X135-2ZL Yoke type track roller , Support rollers, with flange rings, with an inner ring
NNTR120X290X135-2ZL Yoke type track roller,Support rollers,with flange rings and an inner ring detail Specifications:
Material : 52100 Chrome Steel
Series : Support rollers, with flange rings, with an inner ring
Construction : Double Row, full complement roller
Seal Type : 2ZL , Sealing shields on both sides
Speed (with continuous operation and grease lubrication) : 260 rpm
Weight : 51.95 kg
Main Dimensions:
Bore diameter (d) : 120 mm
Outside diameter (D) : 290 mm
Width inner ring (B) : 135 mm
Width outer ring(C) : 133 mm
Mounting dimension (D1) : 191 mm
Outside diameter flange ring (d2) : 155 mm
Diameter lubrication hole (d3) : 8 mm
Radius of outer ring outside profile (R) : 15000 mm
Chamfer dimension flange ring bore (r1) min. : 3.0 mm
Chamfer dimension outer ring (r) min. : 4.0 mm
Dynamic load ratings ,radial (Crw) : 850.00 KN
Static load ratings , radial (Corw) : 1400.00 KN
Permissible dynamic load outer ring, radial (Fr per) : 1110 KN
Permissible static load, radial (F0r per) : 1400 KN
Fatigue limit load (Curw) : 187.00 KN
